./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:47:26,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:47:26,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:47:26,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:47:26,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:47:26,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:47:26,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:47:26,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:47:26,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:47:26,236 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:47:26,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:47:26,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:47:26,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:47:26,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:47:26,239 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:47:26,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:47:26,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:47:26,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:47:26,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:47:26,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:47:26,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:47:26,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:47:26,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:47:26,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:47:26,244 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:47:26,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:47:26,245 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:47:26,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:47:26,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:47:26,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:47:26,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:47:26,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:47:26,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:47:26,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:47:26,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:47:26,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:47:26,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:47:26,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:47:26,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:47:26,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:47:26,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:47:26,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:47:26,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:47:26,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:47:26,250 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2023-11-29 06:47:26,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:47:26,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:47:26,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:47:26,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:47:26,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:47:26,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2023-11-29 06:47:29,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:47:29,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:47:29,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2023-11-29 06:47:29,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/data/fe11a8dd2/56320816c45d4e769275d6c5f75e1aac/FLAG39b4ccfdf [2023-11-29 06:47:29,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/data/fe11a8dd2/56320816c45d4e769275d6c5f75e1aac [2023-11-29 06:47:29,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:47:29,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:47:29,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:47:29,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:47:29,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:47:29,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111d95a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29, skipping insertion in model container [2023-11-29 06:47:29,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:47:29,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:47:29,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:47:29,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:47:29,726 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:47:29,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29 WrapperNode [2023-11-29 06:47:29,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:47:29,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:47:29,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:47:29,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:47:29,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,759 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-29 06:47:29,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:47:29,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:47:29,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:47:29,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:47:29,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,784 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:47:29,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:47:29,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:47:29,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:47:29,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:47:29,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (1/1) ... [2023-11-29 06:47:29,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:47:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:47:29,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:47:29,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:47:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:47:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:47:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:47:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:47:29,922 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:47:29,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:47:30,040 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:47:30,062 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:47:30,063 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:47:30,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:30 BoogieIcfgContainer [2023-11-29 06:47:30,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:47:30,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:47:30,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:47:30,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:47:30,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:47:29" (1/3) ... [2023-11-29 06:47:30,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710f119a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:30, skipping insertion in model container [2023-11-29 06:47:30,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:29" (2/3) ... [2023-11-29 06:47:30,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710f119a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:30, skipping insertion in model container [2023-11-29 06:47:30,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:30" (3/3) ... [2023-11-29 06:47:30,073 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark48_linear.i [2023-11-29 06:47:30,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:47:30,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 06:47:30,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:47:30,148 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7accdb59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:47:30,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 06:47:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 06:47:30,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:30,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 06:47:30,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 06:47:30,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2390520, now seen corresponding path program 1 times [2023-11-29 06:47:30,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664785872] [2023-11-29 06:47:30,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:30,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:30,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:30,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664785872] [2023-11-29 06:47:30,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664785872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:30,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:30,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:47:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133538318] [2023-11-29 06:47:30,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:30,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:30,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:30,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:30,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:30,377 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:30,404 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2023-11-29 06:47:30,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:30,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 06:47:30,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:30,415 INFO L225 Difference]: With dead ends: 30 [2023-11-29 06:47:30,415 INFO L226 Difference]: Without dead ends: 14 [2023-11-29 06:47:30,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:30,421 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:30,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:30,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-29 06:47:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-29 06:47:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 06:47:30,447 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4 [2023-11-29 06:47:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:30,447 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 06:47:30,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 06:47:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 06:47:30,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:30,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 06:47:30,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:47:30,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 06:47:30,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2390469, now seen corresponding path program 1 times [2023-11-29 06:47:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:30,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286607356] [2023-11-29 06:47:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:30,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286607356] [2023-11-29 06:47:30,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286607356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:47:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113164017] [2023-11-29 06:47:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:30,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:30,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:30,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:30,492 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:30,516 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2023-11-29 06:47:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:30,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 06:47:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:30,517 INFO L225 Difference]: With dead ends: 19 [2023-11-29 06:47:30,518 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 06:47:30,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:30,520 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:30,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 06:47:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 06:47:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-29 06:47:30,526 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 4 [2023-11-29 06:47:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:30,526 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-29 06:47:30,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-29 06:47:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 06:47:30,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:30,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 06:47:30,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:47:30,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 06:47:30,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 74106170, now seen corresponding path program 1 times [2023-11-29 06:47:30,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:30,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169849078] [2023-11-29 06:47:30,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:30,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:47:30,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:47:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:47:30,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:47:30,568 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:47:30,569 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-29 06:47:30,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-29 06:47:30,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-29 06:47:30,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-29 06:47:30,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-29 06:47:30,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-29 06:47:30,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:47:30,576 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 06:47:30,581 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:47:30,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:47:30 BoogieIcfgContainer [2023-11-29 06:47:30,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:47:30,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:47:30,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:47:30,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:47:30,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:30" (3/4) ... [2023-11-29 06:47:30,600 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 06:47:30,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c58c6f-ab83-4f09-b8fd-5e6f640eaffa/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:47:30,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:47:30,650 INFO L158 Benchmark]: Toolchain (without parser) took 1130.70ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 129.7MB in the end (delta: -485.5kB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,650 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:47:30,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.88ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 119.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.27ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,652 INFO L158 Benchmark]: Boogie Preprocessor took 33.98ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,652 INFO L158 Benchmark]: RCFGBuilder took 268.42ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,653 INFO L158 Benchmark]: TraceAbstraction took 531.13ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 75.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,653 INFO L158 Benchmark]: Witness Printer took 51.27ms. Allocated memory is still 159.4MB. Free memory was 75.0MB in the beginning and 129.7MB in the end (delta: -54.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-29 06:47:30,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.88ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 119.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.27ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.98ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.42ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 531.13ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 75.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 51.27ms. Allocated memory is still 159.4MB. Free memory was 75.0MB in the beginning and 129.7MB in the end (delta: -54.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i